package com.thortec.farmsys.utils;

import com.sun.org.apache.xerces.internal.dom.PSVIAttrNSImpl;

import java.security.MessageDigest;

/**
 * md5加密工具类
 *
 * @auther ny by:dbw
 * @create 2018-11-20
 */
public class MD5Utils {

    private static final String hexDigIts[] = {"0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"}; /**
     * MD5加密
     * @param origin 字符
     * @param charsetname 编码
     * @return
     */
    public static String MD5Encode(String origin, String charsetname){
        String resultString = null;
        try{
            resultString = new String(origin);
            MessageDigest md = MessageDigest.getInstance("MD5"); if(null == charsetname || "".equals(charsetname)){ resultString = byteArrayToHexString(md.digest(resultString.getBytes())); }else{ resultString = byteArrayToHexString(md.digest(resultString.getBytes(charsetname))); } }catch (Exception e){ } return resultString.substring(0,16); } public static String byteArrayToHexString(byte b[]){ StringBuffer resultSb = new StringBuffer(); for(int i = 0; i < b.length; i++){ resultSb.append(byteToHexString(b[i])); } return resultSb.toString(); } public static String byteToHexString(byte b){ int n = b; if(n < 0){ n += 256; } int d1 = n / 16; int d2 = n % 16; return hexDigIts[d1] + hexDigIts[d2]; }

    public static void main(String[] args) {
        System.out.println(MD5Encode("dbwdbw123123456","utf-8"));
    }
}
